AK: Untangle TestSuite assertions a bit

Author: https://github.com/alimpfard
Commit: 644d981b2b
Pull-request: https://github.com/SerenityOS/serenity/pull/5468

AK/Assertions.h

@@ -26,18 +26,14 @@
 
 #pragma once
 
-#ifndef AK_TEST_SUITE
-
-#    if defined(KERNEL)
-#        include <Kernel/Assertions.h>
-#    else
-#        include <assert.h>
-#        ifndef __serenity__
-#            define ASSERT assert
-#            define ASSERT_NOT_REACHED() assert(false)
-#            define RELEASE_ASSERT assert
-#            define TODO ASSERT_NOT_REACHED
-#        endif
+#if defined(KERNEL)
+#    include <Kernel/Assertions.h>
+#else
+#    include <assert.h>
+#    ifndef __serenity__
+#        define ASSERT assert
+#        define ASSERT_NOT_REACHED() assert(false)
+#        define RELEASE_ASSERT assert
+#        define TODO ASSERT_NOT_REACHED
 #    endif
-
 #endif